Buscar ayuda humana cuando la IA no pueda responder

• •Bot Token de Slack o URL de Webhook
• •Clave de API de OpenAI

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        "content": "### Sub-workflow: Custom tool\nThe agent above can call this workflow. It checks if the user has supplied an email address. If they haven't it prompts them to provide one. If they have, it messages a customer support channel for help."
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        "content": "### Main workflow: AI agent using custom tool"
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        "content": "**Set your credentials**"
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        "content": "## Try it out\n\nSelect **Chat** at the bottom and enter:\n\n_Hi! Please respond to this as if you don't know the answer to my query._"
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        "content": "## Next steps\n\nLearn more about [Advanced AI in n8n](https://docs.n8n.io/advanced-ai/)"
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